. >> reporter: in his mind, oroville rickey brown says he's still replaying the moment when one of the passengers first tries to get his attention. >> smoke. they've got their music on, you know. she says smoke. my mind told me, okay maybe she wants to smoke a cigarette. i hear another knock, she says smoke, pull over. there's smoke pull over, pull over! >> reporter: on the side of the bridge, the 46-year-old driver from san jose said he and some good samaritans begin to help four of the women climb through a partition. >> we were all crying, all nervous, all scared. >> reporter: he says he unlocked the limo doors. when someone opened the other one, it only fueled the flames. >> she ran to the back of the car and opened the door. flames just went, you know, they engulfed the car. >> reporter: brown tells me, he doesn't know what else he could have done, but he worries the victims families will blame him. >> yeah, yeah, i do man. something like i said, i wish we could have done more. >> reporter: brown says he thinks the cause of the fire was electrical. he's vowing to raise money for t